tonight on ktvu channel 2 news at 6:00. >>> this week another big u.s. bank fell victim to hackers, the banking industry says these cyber attacks cause problems but that identity theft is not a concern. still as kyla campbell reports, banking customers are concerned. >> reporter: self-proclaims hackers are going after banks, just this week citigroup their goal is to keep customers from accessing their banking information online. that's bad news for americans who transfer money or pay bills online. >> i rely on my one bank for almost all of my transactions it would really cut me off from everything. >> reporter: these online hack -- hacktavist are not the same as thieves. >> it's not meant to steal information, it's meant to bring attention. >> reporter: they're working together to share information. they hope it'll help them stop hackers from accessing their websites. but security experts here this is just the start of a bigger problem. >> we've been increasingly dependent on it for every facet of our daily lives whether it's ourbacking, certain governme